Nexus Repository 3 – Reflected Cross-Site Scripting (XSS) in ?describe Pages_CVE-2026-3438

{
    "lastseen": "",
    "description": "A reflected cross-site scripting vulnerability exists in Sonatype Nexus Repository versions 3.0.0 through 3.90.2 that allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser through a specially crafted URL. Exploitation requires user interaction.",
    "published": "2026-04-08T22:16:09.657Z",
    "modified": "2026-04-09T13:18:17.962Z",
    "type": "cve",
    "title": "Nexus Repository 3 - Reflected Cross-Site Scripting (XSS) in ?describe Pages",
    "source": "Sonatype",
    "references": "https://help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.html\nhttps://support.sonatype.com/hc/en-us/articles/50609137161363",
    "id": "CVE-2026-3438",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "Sonatype Nexus Repository 3.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.1,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Nexus Repository",
    "version": "3.0.0",
    "vendor": "Sonatype",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}